(1794) French chemist, naturalist, physician, and physiologist François-Vincent Raspail was born. He is known for being one of the founders of cell theory, which states that every cell comes from preexisting cells.
(1813) American physician James Marion Sims was born. He is remembered as the father of modern gynecology and worked to fix complications of obstructed childbirth.
(1900) American geneticist and evolutionary biologist Theodosius Dobzhansky was born. He wrote many research articles on evolution, biology, and human culture.
(1923) American psychiatric patient Shirley Ardell Mason was born. Mason had multiple personality disorder (now known as dissociative identity disorder) and two movies and a book, all titled Sybil, were written about her life.
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